9. RULES IN ADDING AND
SUBTRACTING SIMILAR
FRACTION
1. ADD/SUBTRACT THE NUMERATORS LIKE
WHOLE NUMBERS
2. WRITE THE SUM/DIFFERENCE OVER THE
COMMON DENOMINATOR
3.SIMPLIFY THE SUM/DIFFERENCE IF NECESSARY
12. Rules in adding and
Subtracting Dissimilar fractions
1. Change dissimilar to similar fraction
2. Find the least common denominator
3. Divide the LCD to given denominator and multiply
to its numerator
4.Add or subtract the numerator over the
denominator